Describe objects in terms of symmetry eg:The letter S has half turn symmetry (when turned half the way round it fits on its original shape.
The letter B has one point of reflective symmetry (in a mirror the reflection of the top matches the actual shape of the bottom).

Compare objects using equivalent units
eg: 2004 grams is heavier than 2 kilograms
eg: 1 meter is less than 141 centimeters
eg: 45 millimeters is more than 3 centimeters
eg: 909 meters is 91 meters less than a kilometer
eg: 1 hour and ten minutes is fifteen minutes longer than 55 minutes